AGARTALA: Oil & Natural Gas Corp in Tripura has undertaken hydro-fracturing in Khubal to assess the actual reserves of the field and in Baramura to enhance production from tight sands.
According to ONGC, the job involved intricate coordination to get domain experts, machine and chemicals from various regions of the country apart from understanding the reservoir characteristics and geology of the region. Hydro-fracturing units, high-capacity storage tanks, Proppant (special sand particles) and chemicals for the work were mobilised from six different assets of ONGC: Ahmedabad, Karaikal, Rajamundry, Bokaro and Assam.
ONGC said it made discovery of commercial gas in the Khubal area in February 2009. It completed drilling of seven exploratory-cum-appraisal wells out of which 2 are gases-bearing, the state-run explorer said.
“Hydro-fracturing in this area is critical for reservoir assessment and to establish production potential of Khubal Area. To arrest the declining production of the ageing Baramura field and to enhance productivity from tight reservoir sands of this area, it was decided to undertake hydro-fracturing (there as well)” ONGC stated.
Asset Manager VP Mahawar said the results of the post-activation jobs in these wells would provide a lead in assessing the reservoirs and way forward for the effective stimulation of these structures.
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